Prof. Dr.-Ing. Christoph Gehlen
Dean of TUM School of Engineering and Design, Head of cbm and leads project A02 and A03. He instructs and advises the academic staff regarding additive manufacturing and concrete technological questions. He is responsible for the coordination and quality control of all work of cbm.
Project(s)
Particle-Bed 3D Printing by Selective Cement Paste Intrusion (SPI) – Particle Surface Functionalisation, Particle Synthesis and Integration of WAAM Reinforcement
Extrusion of Near-Nozzle Mixed Concrete –Individually Graded in Density and in Rate of 3D Fibre Reinforcement
Publications
2023 | A. Straßer, F. Riegger, L.D Hamilton, T. Kraenkel, C. Gehlen, M.F. Zaeh, A. Kwade: Selective Paste Intrusion: Integration of reinforcement by WAAM — Concept and current research with special attention to cooling strategies. Construction and Building Materials 2023, 406, 133236.
https://doi.org/10.1016/j.conbuildmat.2023.133236
2023 | K. Tischner, S. Rappl, F. Riegger, A. Strasser, K. Osterminski, T. Kraenkel, S. Baehr, M.F. Zaeh, C. Gehlen: Bond Behavior of WAAM Reinforcements in Comparison to Conventional Steel Reinforcements. In: Constr. Mater. 2023, 3, 217–232.
https://doi.org/10.3390/constrmater3020014
2023 | A. Straßer, T. Kränkel. C. Gehlen: Integrating Wire Arc Additive Manufacturing into Selective Paste Intrusion for Reinforced Concrete Elements: Effect of Temperature on the Mechanical Performance. In: ibausil 2023
2023 | A. Straßer, A. Haynack, T. Kränkel, C. Gehlen: Additive Manufacturing by the Selective Paste Intrusion Method: Effect of the Distance of the Print NozzIe to the Particle bed on the Print Quality. In: Preprints 2023, 2023030236.
https://doi.org/10.20944/preprints202303.0236.v1
2022 | Straßer, A.; Weger, D.; Matthäus, Carla; Kränkel, T.; Gehlen, C.: Combining Wire and Arc Additive Manufacturing and Selective Paste Intrusion for Additively Manufactured Structural Concrete. In: Visions and Strategies for Reinforcing Additively Manufactured Concrete Structures 61-72 (2022)
2022 | Straßer, A.; Matthäus, Carla; Weger, D.; Kränkel, T.; Gehlen, C.: Selective Paste Intrusion: Stability of Cement Paste Mixtures Towards Changing Ambient Temperature. In: Third RILEM International Conference 296–301 (2022)
2022 | Lowke, D.; Gehlen, C.; Kloft, H.; Freund, N.; Matthäus, C.: Bewehrungskonzepte beim 3D-Druck von Konstruktionsbeton. In: BfT International, 02.2021, S. 92.
2022 | Lowke, D.; Mai, I.; Keita, E.; Perrot, A.; Weger, D.; Gehlen, C.; Herding, F.; Zuo, Wenqiang; Roussel, N.: Material-process interactions in particle bed 3D printing and the underlying physics. In: Cement and Concrete Research, CCR 156 (106748), 2022
https://doi.org/10.1016/j.cemconres.2022.106748
2021 | Lowke, D.; Gehlen, C.; Kloft, H.; Freund, N.; Matthäus, C.: Bewehrungskonzepte beim 3D-Druck von Konstruktionsbeton. In: BfT International, 02.2021, S. 92, 2021.
2021Â | Alaimo, G.; Carraturo, M.; Korshunova, N.; Kollmannsberger, S.: Numerical evaluation of high cycle fatigue life for additively manufactured stainless steel 316L lattice structures. In: Material Design and Processing Communication 3 (4), pp. e249, Wiley, 2021. – DOI: 10.1002/mdp2.249.
2021 | Gehlen, C.; Lowke, D.; Weger, D.; Dreßler, I.: Dauerhaftigkeit – Potenzial additiver Fertigung und Performance im Vergleich zu konventioneller Fertigung. In: BfT International, 02.2021, S. 94, 2021.
2021 | Weger, D.; Pierre, A.; Perrot, A.; Kränkel, T.; Lowke, D.; Gehlen, C.: Penetration of Cement Pastes into Particle-Beds: A Comparison of Penetration Models. In: Materials 2021, 14, 389. – DOI: https://doi.org/10.3390/ma14020389.
2021 | Weger, D.; Gehlen, C.: Particle-Bed Binding by Selective Paste Intrusion—Strength and Durability of Printed Fine-Grain Concrete Members. In: Materials 2021, 14, 586. – DOI: doi.org/10.3390/ma14030586.
2021 | Kloft, H., Gehlen, C., Dörfler, K., Hack, N., Henke, K., Lowke, D., Mainka, J. and Raatz, A. (2021), TRR 277: Additive Fertigung im Bauwesen. In: Bautechnik, 98: 222-231. – DOI: https://doi.org/10.1002/bate.202000113.
2020 | Matthäus, C.; Kofler, N.; Kränkel, T.; Weger, D.; Gehlen, C.: Interlayer Reinforcement Combined with Fiber Reinforcement for Extruded Lightweight Mortar Elements. In: Materials 2020, 13, 4778, 2020. – DOI: https://doi.org/10.3390/ma13214778.
2020 | Weger, D.; Baier, D.; Straßer, A.; Prottung, S.; Kränkel, T.; Bachmann, A.; Gehlen, C.; Zäh, M.: Reinforced Particle-Bed Printing by Combination of the Selective Paste Intrusion Method with Wire and Arc Additive Manufacturing – A First Feasibility Study. In: RILEM Bookseries 28, pp. 978–987, 2020. – DOI: https://doi.org/10.1007/978-3-030-49916-7_95.
2020 | Lowke, D.; Talke, D.; Dreßler, I.; Weger, D.; Gehlen, C.; Ostertag, C.; Rael, R.: Particle bed 3D printing by selective cement activation – Applications, material and process technology. In: Cement and Concrete Research 134,2020. – DOI: https://doi.org/10.1016/j.cemconres.2020.106077.
